Effect of the Purinergic Receptor P2X7 on Chlamydia Infection in Cervical Epithelial Cells and Vaginally Infected Mice1

 or pretreatment with a P2X7R antagonist blocks the inhibitory effects of ATP.

[Magnesium--pathophysiology and clinical aspects].

More than 300 enzymatic reactions depend on the presence of

, especially concerning the generation and use of 

Inhibition by uranyl nitrate of adenosine triphosphatases derived from animal and human tissues.

+ increased the inhibition of both enzymes.

Excitation‐Contraction Coupling and Control of Cardiac Contractility

 is added to a protein suspension of actomyosin in the presence of 

 and calcium shortening of the actomyosin occurs.'

Magnesium-sensitive upstream ORF controls PRL phosphatase expression to mediate energy metabolism

 but up-regulates PRL protein expression via activation of the AMPK/mTORC2 pathway, which controls cellular energy status.

Mutation in the Magnesium Binding Site of hMSH6 Disables the hMutSα Sliding Clamp from Translocating along DNA*

 induces different conformational changes in hMutSα in the presence and in the absence of 

 explain the functional differences between hMutSα variants incapable of binding ATP as compared with those unable to bind the metal ion.

Separation and characterization of two Mg(2+)-ATPase activities from the human erythrocyte membrane.

The activity was further stimulated by added

Effect of extracellular magnesium on platelet activation and intracellular calcium mobilization.

 on the inhibition of platelet aggregation and release of 

 from dense granules was observed in human platelets (in whole blood, platelet-rich plasma, or washed platelets) against various aggregation agents (ADP, U46619, collagen, or thrombin).

Magnesium metabolism.

Ecto‐nucleotide triphosphatase activity of human lymphocytes: Studies of normal and CLL lymphocytes

 inhibited phosphate release when present in excess of 

Calcium binding by the erythrocyte membrane.

The hydrolysis of adenosine triphosphate by brain suspensions.

 or calcium concentrations is decreased by relatively high 

Activation of calcium-insensitive phospholipase A(2) (iPLA(2)) by P2X(7) receptors in murine peritoneal macrophages.

 and was not observed with cells from P2X(7)(-/-) mice.

Contribution of two ionotropic purinergic receptors to ATP responses in submandibular gland ductal cells.

 of WT but not KO mice was blocked by KN-62, Coomassie blue and 

ATP4− and ATP·Mg inhibit the ATP-sensitive K+ channel of rat ventricular myocytes

ATP-sensitive K+ channel inhibition evoked by

, AMP-PNP and AMP-PCP was also enhanced in the presence of 

Effect of magnesium on the function of the rabbit corpus cavernosum

 reduced the receptor-mediated contraction of the rabbit corpus cavernosum and enhanced the relaxation of this tissue induced by sodium nitroprusside, bethanechol, and 

Regulation of phospholipase D by P2X7 receptors in submandibular ductal cells.

Oxidized ATP and Coomassie blue or the addition of

 or nickel to the incubation medium inhibited the response to 

Activation of phospholipase D-2 by P2X7 agonists in rat submandibular gland acini DOI 10.1194/jlr.M100372-JLR200

, which decreases the concentration of ATP4−, and nickel, which blocks nonspecific cation channels coupled to purinergic receptors, inhibited PLD activation by 

Bromoenol lactone enhances the permeabilization of rat submandibular acinar cells by P2X7 agonists

Regulation by P2 agonists of the intracellular calcium concentration in epithelial cells freshly isolated from rat trachea.

Coomassie blue fully blocked the response to ATP and extracellular

Role of Extracellular Magnesium in Insulin Secretion from Rat Insulinoma Cells

 (Mg2+) is an abundant intracellular cation that participates in the regulation of the intracellular concentration of 

Purification and characterization of native and proteolytic forms of rabbit liver phosphorylase kinase.

The study of the effect of magnesium and fluoride ions on the activity of both forms showed an inhibitory effect of

 when its concentration exceeded that of 

Effects of adenosine triphosphate and alkaline phosphatase on solubilized 3,5,3'-triiodothyronine-binding activity.

[Radiation modification of the ATPase properties of submitochondrial particles].

The radiation damages to ATPase were detected and the ratio of concentrations of

Metal : ATP characteristics of insulin- and epidermal growth factor-stimulated phosphorylation in detergent extracts of rat liver plasma membranes

, insulin-stimulated 32P incorporation was significantly greater in the presence of 

Altered activation state of hydroxymethylglutaryl-coenzyme A reductase in liver tumors.

 results in the inhibition of HMG-CoA reductase both in tumor and in liver.

Ca-ATPase activity in bovine parathyroid cells.

Canine Mesenteric Artery Na+,K+‐ATPase: Vasopressor Receptor for Digitalis?

, sodium stimulates and potassium inhibits the rate of binding.

Evidence of an abnormal stearoyl-CoA hydrolysis in a membrane pellet from trembler sciatic nerves

+ markedly lowered the free fatty acid release in the membrane pellet from Trembler mouse sciatic nerves.

Manganese and magnesium dependent properties and inner plasma membrane surface localization of guanylate cyclase from murine plasmocytoma cells.

 were found to inhibit both manganese and 

 supported activities indicating a possible regulatory mechanism for this nucleotide in vivo.

Release of [3H]norepinephrine from synaptic vesicles isolated from rat brain after the intracisternal administration of [3h]norepinephrine: Influence of nucleotides, ions and drugs and destabilization of transmitter storage caused by acute or chronic lithium administration

+ by a mechanism different from that of the vesicular amine uptake system; this was shown by the failure of inhibitors …-Mg 2+ -stimulated uptake (reserpine,N-ethylmaleimide, lithium) to block the effect of adenosine triphosphate plus Mg 2+ on release.

The control of hepatic phosphorylase phosphatase by ATP, ADP and Mg2+.

+ in equimolar concentrations decreased the phosphatase activity to a smaller extent than ATP alone.

In the concentration range expected to occur in the intact cell an increasing degree of complexation of

+ diminished the inhibitory effect of the nucleotide.

Effect of phospholipase A treatment on the partial reactions of and ouabain binding to a purified sodium and potassium activated adenosine triphosphatase.

The number of [ 3 H]ouabain binding sites was not affected at 30°, but the rates of binding in the presence of

Effect of temperature on phosphorylation and ouabain binding to N-ethylmaleimide-treated (Na+, K+)-ATPase.

 plus sodium, the treated enzyme bound only half as much ouabain at 0°C as it did at 3O”C, even when the reaction was extended to several hours.

Reversible modulation of liver hydroxymethylglutaryl CoA reductase.

Abstract The activity of rat liver microsomal hydroxymethylglutaryl CoA reductase (HMG CoA reductase, E.C. 1.1.1.34) is severely diminished when microsomes are preincubated with both

Heavy metals and spermatozoan motility. III conformational changes induced by divalent cations and by ATP in flagellar proteins.

 caused a marked reduction in alpha-helical structures of axonemes in the presence of 

 or calcium, especially in a medium containing KCl.

The regulation of pyruvate dehydrogenase in isolated beef heart mitochondria. The role of calcium, magnesium, and permeant anions.

 resulted in a time-dependent inactivation of the pyruvate dehydrogenase which was intensified by energization of the mitochondrial system.

3',5'-cyclic AMP phosphodiesterases in cytosol of uterine smooth muscle; effects of angiotensin.

 has an inhibitory effect on both phosphodiesterases, which is potentiated by 

Release of RNA from HeLa cell nuclei.

The results indicate that the ATP dependent release of RNA from nuclei, which has been reported in several systems, may be due to the ability of

Effect of fluoride on liver phosphorylase phosphatase.

Adenosine 3',5'-monophosphate-dependent protein kinase from bovine anterior pituitary gland. I. Properties.

 decreases the apparent Km of the enzyme for 

 and increases the Vmax of enzymatic activity.

Fructokinase from rat liver. II. The role of K+ on the enzyme activity.

Slight modification in the level of ATP 4− or

+ alter the optimal ratio, provoking inhibition by either 

The effect of magnesium, ATP, P i , and sodium on the inhibition of the (Na + + K + )-activated enzyme system by g-strophanthin.

 in concentrations which are low relative to the concentration of 

 has an effect both on the rate and on the steady-state level of inhibition.

Characteristics of adenosinetriphosphatase of ram ejaculated spermatozoa and isolated sperm tails.

 as substrate the Km was 3.6 X 1Oand inhibition was observed when the substrate concentration ex- ceeded that of 

; this was attributed to possible binding of free ATP without splitting at the active sites.

Conditions for the formation, partial purification and assay of an inhibitor of adenosine 3',5'-monophosphate.

Abstract Particle preparations from dog and rat heart and dog liver were used to catalyze the formation of 3′,5′-AMP from

The effect of proteases on the (Na+ + K+)-activated adenosine triphosphatase system of rat brain.

The protective effect of cations … trypsin could be modified by

+ was completely abolished; the protection by K + , in the presence of Mg 2+ , was considerably lessened by ATP, whereas, under similar conditions, the effect of Na + was not influenced at all by ATP.

A palmityl-CoA synthetase stimulating factor of particle-free supernatants.

5.|In the presence of the supernatant factor, maximum palmityl-CoA synthetase activity is obtained when

+ are added in approximately equimolar amounts.

Computer simulation studies of mammalian pyruvate kinase.

 inhibition is due both to its chelation of 

 and to its occupying the enzyme binding site meant for adenosine diphosphate as well as the phosphoenolpyruvate phosphate site.

The effects of ryanodine on model systems derived from muscle. II. Myofibrils and natural actomyosin.

No effect of ryanodine on myosin B ATPase was found except when

+ , when the inhibitory effect of excess ATP was suppressed by ryanodine.

Magnesium supplementation improves diabetic mitochondrial and cardiac diastolic function.

 improved mitochondrial function with increased 

, decreased mitochondrial ROS and Ca2+ overload, and repolarized mitochondrial membrane potential.

Magnetic-dependent ATP pool in Escherichia coli

The combined effects of the magnetic field 70–95 mT and

 25Mg on E. coli bacteria leads to increase intracellular concentration of 

Regulation of the Type IV Secretion ATPase TrwD by Magnesium

 turnover of TrwD is down-regulated by physiological concentrations of 

Magnesium Coordination Controls the Molecular Switch Function of DNA Mismatch Repair Protein MutS*

 influences switching in MutS by inducing faster and tighter 

 binding, allowing rapid downstream responses.

Where is electronic energy stored in adenosine triphosphate?

It is found that the transfer potential of the terminal phosphate group in

 is significantly reduced, from +241.7 to +73.1 kcal/mol, as a result of complexation with 

Major targets of iron-induced protein oxidative damage in frataxin-deficient yeasts are magnesium-binding proteins.

Consistent with this hypothesis, in vitro experiments performed with pure pyruvate kinase and phosphoglycerate kinase showed that oxidation of these proteins can be prevented by

The nucleotide-binding site of the Escherichia coli DnaC protein

 to the protein controls the structure of the binding site, particularly, in the case of the 

 complex, leading to additional opening of the binding site cleft.

Stabilization of amorphous calcium phosphate by Mg and ATP

SummaryA synergistic effect has been demonstrated when

 (ATP) are used together in solution to delay the conversion of a slurry of amorphous calcium phosphate (ACP) to crystalline hydroxyapatite (HA).

Observation of Calcium-dependent Unidirectional Rotational Motion in Recombinant Photosynthetic F1-ATPase Molecules*

 hydrolysis and synthesis by the F0F1-ATP synthase are coupled to proton translocation across the membrane in the presence of 

[Biosynthesis of glutathione: construction of ATP regeneration system between recombinant E. coli and S. cerevisiae].

The low efficiency of ATP regeneration system constructed was probably caused by the chelation between

Glucose-6-phosphate dehydrogenase in barley roots: kinetic properties and localisation of the isoforms

Both enzymes are inhibited to different extents by

 is omitted from the assay mixture, whereas the addition of ATP-Mg2+ had no effect on Glc6PDH activities.

6-Phosphofructo-2-kinase and fructose-2,6-bisphosphatase from Saccharomyces cerevisiae.

 inhibition is most pronounced at low concentrations of 

Kinetics of 6-phosphofructo-2-kinase from Saccharomyces cerevisiae: inhibition of the enzyme by ATP.

 which is particularly pronounced at low concentrations of 

Maize leaf adenylate kinase : purification and partial characterization.

 served as a substrate only when complexed with 

Purification and characterization of DNA-dependent ATPase II from Escherichia coli.

 (or dATP) to ADP (or dADP) and Pi in the presence of 

 and requires a double-stranded polynucleotide as cofactor.

ATPase in isolated membranes of Bacillus subtilis.

+ - and Ca 2+ -dependent enzyme activities, whereas non-enzymatic ATP hydrolysis was inhibited by concentrations of ATP in excess of 5 mM. The 5′-triphosphates of guanosine and uridine were also hydrolyzed by membrane preparations.

A comment on the role of magnesium in the control of muscle glycogen synthetase kinase

 the concentration of Mg2+ falls to a very low level.

The influence of cations on the reactivity of the sulfhydryl groups of actin.

, which inhibits SH reactivity slightly, strongly increases the inhibition in the presence of calcium, but reduces the enhancing effect of 

Interaction of actomyosin with adenosine triphosphate at low ionic strength. I. Dis-sociation of actomyosin during the clear phase.

The clearing of actomyosin at p = 0.15 to 0.16 and pH 7.0 brought about by

 was interpreted in the preceding paper in terms of the dissociation of actomyosin into its components (2).

Interaction of actomyosin with adenosine triphosphate at low ionic strength. II. Factors influencing clearing and superprecipitation: adenosine triphosphatase and birefringence of flow studies.

Metabolic and structural states of mitochondria. I. Regulation by adenosine diphosphate.

Since the work of Raaflaub (3, 4) there have been several reports (1, 5-8) that

 or manganous ions can reverse or prevent swelling of isolated mitochondria.

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Possible Interaction: Adenosine Triphosphate and Magnesium

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Research Papers that Mention the Interaction